Knutson, J.W. , and Armstrong, W.D.The Effect of Topically Applied Sodium Fluoride on Dental Caries Experience. III. Report of Findings for the Third Year Study, Pub. Health Repts., 61 :1863,1946.
2.
Calagan,Donald J., and Knutson,John W.The Effect of Topically Applied Fluorides on Dental Caries Experience, Pub . Health Repts., 62:1477, 1947.
3.
Knutson, J.W.An Evaluation of the Effectiveness as a Caries Control Measure of the Tropical Applications of Solutions of Fluorides, J. D. Res., 27:340, 1948.
4.
Cheyne, V.D. , and Rice, T.B.Effects of Topically Applied Fluorine on Human Dental Caries Including a Method for its Application, J. D. Res., 21 :320, 1942 (abstr.).
5.
Klinkenberg, E., and Bibby, B.G.The Effect of Topical Applications of Fluorides on Dental Caries in Young Adults, J. D. Res. , 29:4, 1950.
6.
Gish,Charles W., Muhler,Joseph C., and Howell,Charles L.The Effect of Topically Applied Potassium Fluorostannite on the Dental Caries Experience in Children, J. D. Res., 36:780, 1957.
7.
Peterson, J.K. , and Jordon, W.A.Relative Caries-Inhibition Values of Sodium Silicofluoride and Sodium Fluoride, J. D. Res., 35:54, 1956.
8.
Gish, C.W., Howell, C.L., and Muhler, J.C.A New Approach to the Topical Application of Fluoride for Reduction of Dental Caries in Children, J. D. Res., 36:784, 1957.
9.
Volker, J.F.Effect of Fluorine on Solubility of Enamel and Dentine, Proc. Soc. Exptl. Biol. Med., 42:725, 1939.
10.
Manly, R.S. , and Bibby, B.G.Substances Capable of Decreasing the Acid Solubility of Tooth Enamel, J. D. Res., 28:160, 1949.
11.
Van Huysen, C., and Muhler, J.C.Enamel Solubility Reducing Effect of Flavored Concentration of Stannous Fluoride Solution, J. D. Res., 27:46, 1948.
12.
Suess,Philip H., and Fosdick, L.S.The Solubility of Normal and Fluoridized Enamel, J. D. Res. , 30:177, 1951.
13.
Finn, S.B., and De Marco, C.The Effect of Artificial Water Fluoridation on the Solubility of Tooth Enamel , J. D. Res., 35:185, 1956.
14.
Buonocore, M.G., and Bibby, B.G.Effect of Various Ions on Enamel Solubility , J. D. Res., 24:103, 1945.
15.
Head,J. ModernDentistry. Philadelphia: W. B. Saunders Co., 1917.
16.
Phillips, R.W. , and Swartz, M.L.Effect of Fluorides on Hardness of Tooth Enamel, J.A.D.A., 37:1, 1948.
17.
Brudevold, Finn.Study of Phosphatase Solubility of the Human Enamel Surface, J. D. Res., 27:320, 1948.
18.
Massler, M. , Tapia, C., and Zwemer, E.Action of Acid on Topically Fluoridized Intact Enamel Surfaces, J. D. Res. , 30:515, 1951.
19.
Muhler, J.C.Effect of Different Fluorides on Solubility of Intact Enamel Surfaces, J. D. Res., 36:889,1958.
20.
Bhatia, H., and Emmerson, C.C.Topical Fluorides and Enamel Solubility, J. South. California D. A., 29:395, 1959.
21.
Coolidge, T.B. , Besic F.C., and Jacobs, M.A.A Microscopic Comparison of Clinically and Artificially Produced Change in Enamel, Oral Med., Oral Surg. & Oral Path., 8:1204, 1955.
22.
Besic, F.C.Caries-like Enamel Changes by Chemical Means , J. D. Res., 32:830, 1953.
23.
Manly, R.S. , Emerson, W.H., and Kapur, K.K.A Method for Study of Penetration of Enamel by Acid Buffers, J. D. Res. , 40:891, 1961.
24.
Muhler, J.C. , Nebergall, W.H., and Day , H.G.Preparation of Stannous Fluoride Compared with Sodium Fluoride for the Prevention of Dental Caries in the Rat, J.A.D.A., 46:290, 1953.
25.
Kapur, K.K. , Fischer,Eugene E. , and Manly, R.S.Effect of Surface Alteration on the Permeability of Enamel to a Lactate Buffer, J. D. Res. , 40:1174, 1961.